Open Enterprise Server 2015 SP1 with the iPrint for OES addon installed.
Open Enterprise Server 2018 SP1 with the iPrint for OES addon installed.
During an upgrade of "iPrint For OES" from Open Enterprise Server 2015 SP1 to Open Enterprise Server 2018 SP1 (using physical media), an error Product iPrint for OES will be automatically removed" is encountered.
The upgrade cannot continue at this point.
Use the media that was released in September of 2019. Click here to download it.